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Fabrication of High-performance Carbon Counter Electrode for Dye-sensitized Solar Cells

염료감응 태양전지용 고성능 탄소 상대전극 제작

  • Jang, Yeon-Ik (Nano-materials Research Division, Korea Institute of Science and Technology) ;
  • Lee, Seung-Yong (Nano-materials Research Division, Korea Institute of Science and Technology) ;
  • Kim, Dong-Hwan (Department of material Science and Engineering, Korea University) ;
  • Park, Jong-Ku (Nano-materials Research Division, Korea Institute of Science and Technology)
  • 장연익 (한국과학기술연구원 나노과학연구본부) ;
  • 이승용 (한국과학기술연구원 나노과학연구본부) ;
  • 김동환 (고려대학교 신소재공학과) ;
  • 박종구 (한국과학기술연구원 나노과학연구본부)
  • Published : 2007.02.28

Abstract

In the fabrication of dye-sensitized solar cells (DSSCs), carbon counter electrode has been tested for replacing the platinum counter electrode which has two drawbacks: limited surface area and high material cost. Poor mechanical stability of carbon layer due to weak bonding strength to electrically conductive TCO (transparent conducting oxide) glass substrate is a crucial barrier for practical application of carbon counter electrode. In the present study a carbon counter electrode with high conversion efficiency, comparable to Pt counter electrode, could be fabricated by adaption of a bonding layer between particulate carbon material and TCO substrate.

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